Year Dollars 1992-01-01 277768 1997-01-01 34625 2002-01-01 612016 2003-01-01 192591 2005-01-01 256444 2006-01-01 109040 2007-01-01 48504 2008-01-01 57957 2009-01-01 67212 2012-01-01 92441